From owner-freebsd-ia64@FreeBSD.ORG Wed Mar 31 19:05:29 2010 Return-Path: Delivered-To: freebsd-ia64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3BB2B1065674; Wed, 31 Mar 2010 19:05:29 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirj.bris.ac.uk (dirj.bris.ac.uk [137.222.10.78]) by mx1.freebsd.org (Postfix) with ESMTP id EC24D8FC0C; Wed, 31 Mar 2010 19:05:28 +0000 (UTC) Received: from ncsc.bris.ac.uk ([137.222.10.41]) by dirj.bris.ac.uk with esmtp (Exim 4.69) (envelope-from ) id 1Nx3EF-0001uH-JB; Wed, 31 Mar 2010 20:05:27 +0100 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by ncsc.bris.ac.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1Nx3EF-0004CK-0C; Wed, 31 Mar 2010 20:05:27 +0100 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4) with ESMTP id o2VJ5QSh061608; Wed, 31 Mar 2010 20:05:26 +0100 (BST) (envelope-from mexas@bristol.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4/Submit) id o2VJ5QDo061607; Wed, 31 Mar 2010 20:05:26 +0100 (BST) (envelope-from mexas@bristol.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bristol.ac.uk using -f Date: Wed, 31 Mar 2010 20:05:26 +0100 From: Anton Shterenlikht To: Nathaniel W Filardo , freebsd-ia64@freebsd.org Message-ID: <20100331190526.GB55657@mech-cluster241.men.bris.ac.uk> References: <201003311850.o2VIoCE4014962@freefall.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201003311850.o2VIoCE4014962@freefall.freebsd.org> User-Agent: Mutt/1.5.20 (2009-06-14) Cc: bug-followup@freebsd.org Subject: Re: kern/145211: Memory modified after free X-BeenThere: freebsd-ia64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the IA-64 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Mar 2010 19:05:29 -0000 On Wed, Mar 31, 2010 at 06:50:12PM +0000, Nathaniel W Filardo wrote: > The following reply was made to PR sparc64/145211; it has been noted by GNATS. > > From: Nathaniel W Filardo > To: bug-followup@freebsd.org > Cc: > Subject: Re: kern/145211: Memory modified after free > Date: Wed, 31 Mar 2010 14:49:40 -0400 > > It occurs to me to add that at least the second crash was correlated with a > burst of traffic on bge2, which usually sits idle. FWIW, bge0 and bge3 are > typically busy, and bge1 is not connected. Is it possible that this is a > bge bug? I'll be recreating the busy-bge2 scenario to test other things > anyway and will report should it trigger a panic again. FWIW I've had this twice on ia64 -current. It also seems to follow bge activity, but not sure about the "bursts": http://seis.bris.ac.uk/~mexas/freebsd/ia64/rx2600/tzav/messages -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423